Nitrogen dioxide as proxy indicator of air pollution from fossil fuel burning in New Delhi during lockdown phases of COVID-19 pandemic period: impact on weather as revealed by Sentinel-5 precursor (5p) spectrometer sensor

Pavan Kumar (), Aishwarya (), Prashant Kumar Srivastava (), Manish Kumar Pandey (), Akash Anand (), Jayanta Kumar Biswas (), Martin Drews (), Manmohan Dobriyal (), Ram Kumar Singh (), Manuel Sen (), Sati Shankar Singh (), Ajai Kumar Pandey (), Manoj Kumar () and Meenu Rani ()
Additional contact information
Pavan Kumar: Rani Lakshmi Bai Central Agricultural University
Aishwarya: Rani Lakshmi Bai Central Agricultural University
Prashant Kumar Srivastava: Banaras Hindu University
Manish Kumar Pandey: Banaras Hindu University
Akash Anand: Banaras Hindu University
Jayanta Kumar Biswas: University of Kalyani West Bengal
Martin Drews: Technical University of Denmark
Manmohan Dobriyal: Rani Lakshmi Bai Central Agricultural University
Ram Kumar Singh: TERI School of Advanced Studies
Manuel Sen: University of the Basque Country
Sati Shankar Singh: Rani Lakshmi Bai Central Agricultural University
Ajai Kumar Pandey: Rani Lakshmi Bai Central Agricultural University
Manoj Kumar: Forest Research Institute (FRI)
Meenu Rani: Kumaun University

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2024, vol. 26, issue 3, No 44, 6623-6634

Abstract: Abstract There has been a long-lasting impact of the lockdown imposed due to COVID-19 on several fronts. One such front is climate which has seen several implications. The consequences of climate change owing to this lockdown need to be explored taking into consideration various climatic indicators. Further impact on a local and global level would help the policymakers in drafting effective rules for handling challenges of climate change. For in-depth understanding, a temporal study is being conducted in a phased manner in the New Delhi region taking NO2 concentration and utilizing statistical methods to elaborate the quality of air during the lockdown and compared with a pre-lockdown period. In situ mean values of the NO2 concentration were taken for four different dates, viz. 4th February, 4th March, 4th April, and 25th April 2020. These concentrations were then compared with the Sentinel (5p) data across 36 locations in New Delhi which are found to be promising. The results indicated that the air quality has been improved maximum in Eastern Delhi and the NO2 concentrations were reduced by one-fourth than the pre-lockdown period, and thus, reduced activities due to lockdown have had a significant impact. The result also indicates the preciseness of Sentinel (5p) for NO2 concentrations.

Keywords: NO2 concentrations; COVID-19 lockdown; Air fossil fuel; Atmospheric correction; Climate change (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10668-023-02977-9

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